“rare element”的概念、定义、翻译、参考文献-科学参考

单词	rare element
释义	rare element Encyclopedia 理学短周期释 rare element稀有元素自然界中储量、分布稀少（一般地壳丰度为0.01%以下）且人类应用的量较少的元素总称。 Chemistry ＞无机化学＞无机化学基本概念与无机化合物＞释义 rare element稀有元素
随便看	emergency preparedness emergency preparedness continual improvement emergency preparedness culture emergency preparedness for ship pollution emergency preparedness planning emergency preparedness plan of reservoir dam safety management emergency preplan emergency preplan for museum security emergency recovery emergency refuge chamber emergency refuge facilities Emergency Relief Appropriation Act emergency remote consultation emergency repair construction trolley for the collapse of tunnel and underground engineering emergency repair equipment and material for civil engineering subjected to major Disasters emergency repair for geological disasters emergency repair of airport runway emergency repair of bridge engineering emergency repair of civil engineering emergency repair of dams and dikes emergency repair of highway road emergency repair of railway line subjected emergency repair of tunnels emergency repair plans of civil engineering subjected to major disasters emergency repairs for buildings

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